EP1384622B1 - Lighting unit and method for mounting a lighting unit - Google Patents

Lighting unit and method for mounting a lighting unit Download PDF

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Publication number
EP1384622B1
EP1384622B1 EP03013147A EP03013147A EP1384622B1 EP 1384622 B1 EP1384622 B1 EP 1384622B1 EP 03013147 A EP03013147 A EP 03013147A EP 03013147 A EP03013147 A EP 03013147A EP 1384622 B1 EP1384622 B1 EP 1384622B1
Authority
EP
European Patent Office
Prior art keywords
shell
body portion
fact
light unit
mounting point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03013147A
Other languages
German (de)
French (fr)
Other versions
EP1384622A1 (en
Inventor
Ralf Dipl.-Ing. Hemmersmeier
Dirk Kersting
Dieter Dipl.-Ing. Braun
Ralf Dipl.-Ing. Seiger
Norbert Dipl.-Ing. Röhr
Jörg Derckum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hella GmbH and Co KGaA
HBPO GmbH
Original Assignee
Hella KGaA Huek and Co
Hella Behr Fahrzeugsysteme GmbH
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Filing date
Publication date
Application filed by Hella KGaA Huek and Co, Hella Behr Fahrzeugsysteme GmbH filed Critical Hella KGaA Huek and Co
Publication of EP1384622A1 publication Critical patent/EP1384622A1/en
Application granted granted Critical
Publication of EP1384622B1 publication Critical patent/EP1384622B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0408—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body
    • B60Q1/0433—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body the housing being fastened onto the vehicle body using screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0408—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body
    • B60Q1/0441—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body the housing being fastened onto the vehicle body using means other than screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0408—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body
    • B60Q1/0475—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body with provisions for pre-mounting, for temporary holding the headlamp before or during final mounting

Definitions

  • the invention relates to a lighting unit for vehicles according to the preamble of claim 1.
  • the invention relates to a method for fastening a lighting unit on a body part according to the preamble of the patent claim 9.
  • From DE 40 20 364 C2 is a lighting unit for vehicles known, at the edge of the housing fasteners are provided for fixing the same to a Body part of the motor vehicle.
  • the fasteners of the housing on the one hand and the body part On the other hand, by screws, holes or threaded bushes formed, so that a non-positive connection the lighting unit is made possible on the motor vehicle.
  • the headlight housing on a retaining tab on a stop surface by means of which they can be applied against a stop of the body part is. This can be a relatively time-consuming setting or adjusting the headlamp housing in relation account for the body part.
  • a disadvantage of the known lighting unit is that on the with the stop surfaces acted upon attachment points one definition only in one direction, namely perpendicular to the fastening or screw axis of the fastening element, given is. There are therefore further measures required to mount the headlamp housing in the predetermined approach position to the body part spend.
  • A1 is a lighting unit for vehicles with a housing known in at least three mutually spaced attachment points connected to a body part.
  • a first attachment point is designed as a fixed point in conjunction with the other attachment points.
  • a second attachment point allows pivoting of the lighting unit around a horizontal axis.
  • a third attachment point is designed as a ball-socket connection and extends with the second attachment point in one common horizontal plane. For tolerance compensation the second attachment point and the third attachment point on the adjustability in only a single Limited direction.
  • the document EP 0 933 253 A2 discloses a lighting unit for vehicles that have no fixed point with a body part connected is.
  • a first attachment point is pivotable about a bolt or horizontally in a longitudinal hole slidably arranged.
  • a second attachment point is designed to be displaceable in the horizontal direction.
  • a third attachment point is as a ball and socket connection formed and therefore pivotally mounted, so that he is not to be regarded as a fixture.
  • the document DE 297 24 220 U1 discloses a lighting unit, which has a first fixed point and a second fixed point Fixed point has, over which the housing of the light unit attached to a body part. Furthermore, a third or fourth attachment point provided on Reason for the vertical elasticity of the retaining tabs only allows a vertical tolerance compensation.
  • Object of the present invention is therefore, a Lighting unit for vehicles or a method for fastening a lighting unit on a body part of a Vehicle so that the assembly or adjustment the housing is improved on the body part.
  • the invention has the features of claim 1.
  • the particular advantage of the invention is that only by the formation of a single attachment point as a fixed point a unique relative position of entire housing to the body part in the neck position is effected.
  • the relative positions of the other attachment points This is clearly defined.
  • the invention made possible by the formation of a first attachment point as a fixed point a purposeful movement of the housing in the approach position, regardless of the Training the housing or the body part to the further attachment points.
  • a second and a third attachment point provided, wherein the second attachment point means for tolerance compensation along a given axis and the third attachment point Tolerance compensation means along having two mutually perpendicular axes.
  • the approach movement of the housing takes place on the body part along a through the geometry of the fixed elements the fixed point predetermined guide path, so that a clear positioning of the housing in the approach position is favored.
  • a second attachment point another fixed element, so that one Guided guided movement of the housing in the neck position is.
  • the respective means for tolerance compensation along a have predetermined axis. In this way, tolerances the body part and / or the housing balanced become.
  • the lighting unit that is the Fixed point associated with fixed element near preferred edges the housing and / or the body part arranged, so that the effort for manufacturing accuracy can be limited by housing and body part.
  • the Preferred edges of the components are characterized in that they have the lowest manufacturing tolerances.
  • the body part designed as a pin which can be engaged in a hole acting as a fixed element is. This can be a guided in a simple manner Approach movement can be achieved.
  • the lighting unit is a fixed element formed integrated into a fastener, so fixing and fixing with low Production costs realized at an attachment point can be.
  • the advantage of the method according to the invention is in particular in that at the same time as the expulsion of the Housing in the neck position a fastening operation the same is done.
  • the attachment process begins with the putting on and shifting of the corresponding ones Fixed elements to each other and concludes with reaching the final position of the fixed elements in the attachment position from. By simultaneously fixing and fixing The assembly time can be significantly reduced.
  • a guided movement of the housing takes place in the neck position, so that purposefully a clear starting position can be taken.
  • a lighting unit 1 is shown, as a headlight for motor vehicles is formed.
  • the Headlight has a housing 2 and a to the edge of the housing 2 subsequent opticless cover 3 on, which together form a lighting chamber in which a Not shown light source and a reflector arranged are.
  • the body part 4 can as a vehicle part or as a mounting bracket of a Be formed front ends.
  • the attachment points 5, 6, 7, 8 are designed such that a mounting of Headlamps can be done without alignment work.
  • the attachment points 5, 6, 7, 8 respectively Fixed items 9, 10, 11, 12 associated with a precise Allow fixation of the housing 2 on the body part 4.
  • the housing 2 At a first attachment point 5, the housing 2 a projecting tab 13, on the one hand a fastener 14 and on the other hand, the fixed element 9 is formed are.
  • the fastener 14 is as a rectangular receptacle formed with one on the Body part 4 arranged locking element 15 cooperates.
  • the fixed element 9 is a circular hole formed, which integrally formed with a on the body part 4 Pin 9 'cooperates as a fixed element. Of the Diameter of the bore 9 is on the outer diameter of the Pin 9 'matched, so after applying the tab 13 to the body part 4, a shift of the flap thirteenth only possible against the approach movement direction is.
  • the approach movement direction is at least after the application of the bore 9 at the free end of the pin 9 'along a with the axis of the pin 9' corresponding Guideway.
  • the attachment position of the tab 13 is reached as soon as the tab 13 on a base 16 of the body part 4 comes to rest.
  • the neck movement is automatically the locking element 15 of the body part 4 guided to the receptacle 14 of the housing 2, so that when reaching the neck position a catch or Clip connection between the tab 13 and the body part 4 present.
  • the fixed point 5 Since the first attachment point 5 (fixed point), the highest Manufacturing accuracy of the components 2, 4 requires, should the fixed point 5 preferably in the vicinity of preferred edges be arranged with a relatively low tolerance can be produced.
  • the fixed point 5 also at a not shown Fender facing preferred edge arranged be.
  • the Rastelelement 15 of the first attachment point 5 is by two resiliently formed about a vertical axis Latch hooks formed in the neck position and after present embodiment also in the mounting position vertical edges 18 of the receptacle 14 engage behind.
  • a second attachment point 6 is spaced from the formed first fastening point 5 and has in difference to the first attachment point 5 means for tolerance compensation 19 on.
  • the means for tolerance compensation 19 is formed by a slot 20, which in horizontal Direction extends to a second tab 21.
  • the Long hole 20 serves as a fixed element 10, the with a rectangular pin 10 'of the body part. 4 interacts.
  • the slot 20 serves as a Recording (fastener), with a locking element 22 of the body part 4 cooperates.
  • the fixed element 10 is thus integrated in the fastening element 20.
  • the Width b of the slot 20 is on the vertical extent of the pin 10 'tuned, so that after the preparation of the second tab 21 on the locking element 22 and on the Pin 10 'Tolerance differences of the housing 2 and the body part 4 taken into account in the longitudinal direction of the elongated hole 20 can be.
  • the attachment of the second tab 21 is the same effect as the attachment of the first tab 13.
  • Unlike the first attachment point 5 are latching hooks 23 of the locking element 22 flexible to one horizontal axis arranged so that they are in the neck position or mounting position long horizontal edges 24 behind the slot 20.
  • a third tab 25 and a fourth tab 26 from the uniform with a rectangular receptacle 27 as a fastener are formed.
  • the recording 27 each acts with a Locking element 28 of the body part 4 together.
  • the locking elements 28 each have a flexible about a vertical axis arranged two locking hooks 29 on.
  • the tabs 25, 26 form together with the Locking elements 28 the fourth and fifth attachment point 7, 8, with no additional fixed elements provided are.
  • the vertical edge 30 and a horizontal edge 31 the receptacles 27 have such a length that tolerance differences between the housing 2 and the body part 4 are taken into account.
  • attachment points 6, 7, 8 means for tolerance compensation 19, wherein the second attachment point 6 a tolerance compensation in horizontal Direction and the two attachment points 7 and 8 a Tolerance compensation in both horizontal and vertical Enable direction.
  • the tabs 13, 21, 25, and 26 extend substantially in a common plane. They are distributed along an edge of the housing 2 is arranged.
  • the lighting unit 1 can also only three attachment points 5, 6, 7 be provided with omission of the fourth attachment point 8th.
  • the tabs 13, 21, 25 and 26 will cooperate the fixed elements 9, 9 ', 10, 10' along a through the Axes of the pins 9 ', 10' predetermined guide path the base 16 of the body part 4 is guided until it abut against the base 16 in the attachment position.
  • movement is a locking of the the respective tabs 13, 21, 25, 26 associated fasteners 14, 15, 22, 27, 28.
  • the tabs 13, 21, 25 and 26 Upon reaching the neck position the tabs 13, 21, 25 and 26 have this also reached the attachment position, so that the assembly finished.
  • the tabs 13, 21, 25, 26 also by adhesion to the Body part 4 to be connected.
  • the Connection made by a screw-nut connection be.
  • the assembly takes place in two steps. In a first step, this is done Moving the tabs in a neck position, in which - as described above - the fixed elements 9, 9 'on the Fixed point 5 are kept accurate. In a second Step then carried the attachment of the tabs by a Screw connection.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Description

Die Erfindung betrifft eine Leuchteinheit für Fahrzeuge nach dem Oberbegriff des Patenanspruchs 1.The invention relates to a lighting unit for vehicles according to the preamble of claim 1.

Ferner betrifft die Erfindung ein Verfahren zum Befestigen einer Leuchteinheit an einem Karosserieteil nach dem Oberbegriff des Patenanspruchs 9.Furthermore, the invention relates to a method for fastening a lighting unit on a body part according to the preamble of the patent claim 9.

Aus der DE 40 20 364 C2 ist eine Leuchteinheit für Fahrzeuge bekannt, bei der am Rand des Gehäuses Befestigungselemente vorgesehen sind zur Befestigung desselben an einem Karosserieteil des Kraftfahrzeugs. Die Befestigungselemente des Gehäuses einerseits und das Karosserieteil andererseits werden durch Schrauben, Löcher bzw. Gewindebuchsen gebildet, so dass eine kraftschlüssige Verbindung der Leuchteinheit an dem Kraftfahrzeug ermöglicht wird. Zur Erleichterung der Montage weist das Scheinwerfergehäuse an einer Haltelasche eine Anschlagfläche auf, mittels derer sie gegen einen Anschlag des Karosserieteils anlegbar ist. Hierdurch kann ein relativ zeitaufwendiges Einstellen oder Justieren des Scheinwerfergehäuses in Bezug zu dem Karosserieteil entfallen.From DE 40 20 364 C2 is a lighting unit for vehicles known, at the edge of the housing fasteners are provided for fixing the same to a Body part of the motor vehicle. The fasteners of the housing on the one hand and the body part On the other hand, by screws, holes or threaded bushes formed, so that a non-positive connection the lighting unit is made possible on the motor vehicle. To facilitate assembly, the headlight housing on a retaining tab on a stop surface, by means of which they can be applied against a stop of the body part is. This can be a relatively time-consuming setting or adjusting the headlamp housing in relation account for the body part.

Nachteilig an der bekannten Leuchteinheit ist, dass an den mit den Anschlagflächen beaufschlagten Befestigungspunkten jeweils eine Festlegung nur in eine Richtung, nämlich senkrecht zur Befestigungs- bzw. Schraubenachse des Befestigungselementes, gegeben ist. Es sind daher weitere Maßnahmen erforderlich, um das Scheinwerfergehäuse in die vorgegebene Ansatzposition zu dem Karosserieteil zu verbringen.A disadvantage of the known lighting unit is that on the with the stop surfaces acted upon attachment points one definition only in one direction, namely perpendicular to the fastening or screw axis of the fastening element, given is. There are therefore further measures required to mount the headlamp housing in the predetermined approach position to the body part spend.

Aus der Druckschrift DE 35 23 384 A1 ist eine Leuchteinheit für Fahrzeuge mit einem Gehäuse bekannt, das in mindestens drei zueinander beabstandeten Befestigungspunkten mit einem Karosserieteil verbunden ist. Ein erster Befestigungspunkt ist als Fixpunkt in Verbindung mit den anderen Befestigungspunkten ausgebildet. Ein zweiter Befestigungspunkt ermöglicht ein Verschwenken der Leuchteinheit um eine horizontale Achse. Ein dritter Befestigungspunkt ist als Kugel-Pfanne-verbindung ausgebildet und erstreckt sich mit dem zweiten Befestigungspunkt in einer gemeinsamen horizontalen Ebene. Zum Toleranzausgleich sind der zweite Befestigungspunkt und der dritte Befestigungspunkt auf die Einstellbarkeit in lediglich eine einzige Richtung beschränkt.From the document DE 35 23 384 A1 is a lighting unit for vehicles with a housing known in at least three mutually spaced attachment points connected to a body part. A first attachment point is designed as a fixed point in conjunction with the other attachment points. A second attachment point allows pivoting of the lighting unit around a horizontal axis. A third attachment point is designed as a ball-socket connection and extends with the second attachment point in one common horizontal plane. For tolerance compensation the second attachment point and the third attachment point on the adjustability in only a single Limited direction.

Die Druckschrift EP 0 933 253 A2 offenbart eine Leuchteinheit für Fahrzeuge, die über keinen Fixpunkt mit einem Karosserieteil verbunden ist. Ein erster Befestigungspunkt ist um einen Bolzen schwenkbar bzw. in einem Längsloch horizontal verschiebbar angeordnet. Ein zweiter Befestigungspunkt ist in horizontaler Richtung verschiebbar ausgebildet. Ein dritter Befestigungspunkt ist als Kugel-Pfannen-Verbindung ausgebildet und daher schwenkbar gelagert, so dass er nicht als Fixpunkt anzusehen ist.The document EP 0 933 253 A2 discloses a lighting unit for vehicles that have no fixed point with a body part connected is. A first attachment point is pivotable about a bolt or horizontally in a longitudinal hole slidably arranged. A second attachment point is designed to be displaceable in the horizontal direction. A third attachment point is as a ball and socket connection formed and therefore pivotally mounted, so that he is not to be regarded as a fixture.

Die Druckschrift DE 297 24 220 U1 offenbart eine Leuchteinheit, die über einen ersten Fixpunkt und einen zweiten Fixpunkt verfügt, über die das Gehäuse der Leuchteinheit an einem Karosserieteil befestigt ist. Weiterhin ist ein dritter bzw. vierter Befestigungspunkt vorgesehen, der auf Grund der vertikalen Elastizität der Haltelaschen lediglich einen vertikalen Toleranzausgleich ermöglicht.The document DE 297 24 220 U1 discloses a lighting unit, which has a first fixed point and a second fixed point Fixed point has, over which the housing of the light unit attached to a body part. Furthermore, a third or fourth attachment point provided on Reason for the vertical elasticity of the retaining tabs only allows a vertical tolerance compensation.

Aufgabe der vorliegenden Erfindung ist es daher, eine Leuchteinheit für Fahrzeuge bzw. ein Verfahren zum Befestigen einer Leuchteinheit an einem Karosserieteil eines Fahrzeugs anzugeben, so dass die Montage bzw. das Justieren des Gehäuses an dem Karosserieteil verbessert wird.Object of the present invention is therefore, a Lighting unit for vehicles or a method for fastening a lighting unit on a body part of a Vehicle so that the assembly or adjustment the housing is improved on the body part.

Zur Lösung dieser Aufgabe weist die Erfindung die Merkmale des Patentanspruchs 1 auf.To solve this problem, the invention has the features of claim 1.

Der besondere Vorteil der Erfindung besteht darin, dass lediglich durch die Ausbildung eines einzigen Befestigungspunktes als Fixpunkt eine eindeutige Relativlage des gesamten Gehäuses zu dem Karosserieteil in der Ansatzposition bewirkt wird. Die Relativlagen der weiteren Befestigungspunkte ist dadurch eindeutig festgelegt. Die Erfindung ermöglicht durch die Ausbildung eines ersten Befestigungspunktes als Fixpunkt ein gezieltes Verbringen des Gehäuses in die Ansatzposition, und zwar unabhängig von der Ausbildung des Gehäuses bzw. des Karosserieteils an den weiteren Befestigungspunkten. Erfindungsgemäß sind ein zweiter und ein dritter Befestigungspunkt vorgesehen, wobei der zweite Befestigungspunkt Mittel zum Toleranzausgleich entlang einer vorgegebenen Achse und der dritte Befestigungspunkt Mittel zum Toleranzausgleich entlang von zwei senkrecht zueinander angeordneten Achsen aufweist.The particular advantage of the invention is that only by the formation of a single attachment point as a fixed point a unique relative position of entire housing to the body part in the neck position is effected. The relative positions of the other attachment points This is clearly defined. The invention made possible by the formation of a first attachment point as a fixed point a purposeful movement of the housing in the approach position, regardless of the Training the housing or the body part to the further attachment points. According to the invention are a second and a third attachment point provided, wherein the second attachment point means for tolerance compensation along a given axis and the third attachment point Tolerance compensation means along having two mutually perpendicular axes.

Nach einer bevorzugten Ausführungsform der Leuchteinheit erfolgt die Ansatzbewegung des Gehäuses an das Karosserieteil entlang eines durch die Geometrie der Festlegelemente des Fixpunktes vorgegebenen Führungsweges, so dass eine eindeutige Positionierung des Gehäuses in der Ansatzposition begünstigt wird. Vorteilhaft weist ein zweiter Befestigungspunkt ein weiteres Festlegelement auf, so dass eine geführte Bewegung des Gehäuses in die Ansatzposition gewährleistet ist.According to a preferred embodiment of the lighting unit the approach movement of the housing takes place on the body part along a through the geometry of the fixed elements the fixed point predetermined guide path, so that a clear positioning of the housing in the approach position is favored. Advantageously, a second attachment point another fixed element, so that one Guided guided movement of the housing in the neck position is.

Nach einer Weiterbildung der Leuchteinheit sind mindestens ein zweiter und ein dritter Befestigungspunkt vorgesehen, die jeweils Mittel zum Toleranzausgleich entlang einer vorgegebenen Achse aufweisen. Auf diese Weise können Toleranzen des Karosserieteils und/oder des Gehäuses ausgeglichen werden.According to a development of the lighting unit are at least a second and a third attachment point are provided, the respective means for tolerance compensation along a have predetermined axis. In this way, tolerances the body part and / or the housing balanced become.

Nach einer Weiterbildung der Leuchteinheit ist das dem Fixpunkt zugeordnete Festlegelement in der Nähe von Vorzugskanten des Gehäuses und/oder des Karosserieteils angeordnet, so dass der Aufwand für die Fertigungsgenauigkeit von Gehäuse und Karosserieteil beschränkt werden kann. Die Vorzugskanten der Bauteile zeichnen sich dadurch aus, dass sie die geringsten Fertigungstoleranzen aufweisen.After a development of the lighting unit that is the Fixed point associated with fixed element near preferred edges the housing and / or the body part arranged, so that the effort for manufacturing accuracy can be limited by housing and body part. The Preferred edges of the components are characterized in that they have the lowest manufacturing tolerances.

Nach einer Weiterbildung der Leuchteinheit ist ein Festlegelement des Karosserieteils als ein Stift ausgebildet, der in eine als Festlegelement fungierende Bohrung eingreifbar ist. Hierdurch kann auf einfache Weise ein geführte Ansatzbewegung erzielt werden. According to a development of the lighting unit is a fixed element the body part designed as a pin, which can be engaged in a hole acting as a fixed element is. This can be a guided in a simple manner Approach movement can be achieved.

Nach einer Weiterbildung der Leuchteinheit ist ein Festlegelement in ein Befestigungselement integriert ausgebildet, so dass eine Festlegung und Befestigung mit geringem Fertigungsaufwand an einem Befestigungspunkt realisiert werden kann.According to a development of the lighting unit is a fixed element formed integrated into a fastener, so fixing and fixing with low Production costs realized at an attachment point can be.

Zur Lösung dieser Aufgabe weist das erfindungsgemäße Verfahren die Merkmale des Patenanspruchs 9 auf.To solve this problem, the inventive method the features of claim 9 on.

Der Vorteil des erfindungsgemäßen Verfahrens besteht insbesondere darin, dass gleichzeitig mit dem Verbringen des Gehäuses in die Ansatzposition ein Befestigungsvorgang desselben durchgeführt wird. Der Befestigungsvorgang beginnt mit dem Aufsetzen und Verschieben der korrespondierenden Festlegelemente zueinander und schließt mit Erreichen der Endstellung der Festlegelemente in der Ansatzposition ab. Durch das gleichzeitige Festlegen und Befestigen kann die Montagezeit wesentlich reduziert werden.The advantage of the method according to the invention is in particular in that at the same time as the expulsion of the Housing in the neck position a fastening operation the same is done. The attachment process begins with the putting on and shifting of the corresponding ones Fixed elements to each other and concludes with reaching the final position of the fixed elements in the attachment position from. By simultaneously fixing and fixing The assembly time can be significantly reduced.

Nach einer Weiterbildung des erfindungsgemäßen Verfahrens erfolgt eine geführte Bewegung des Gehäuses in die Ansatzposition, so dass zielgerichtet eine eindeutige Ansatzposition eingenommen werden kann.According to a development of the method according to the invention a guided movement of the housing takes place in the neck position, so that purposefully a clear starting position can be taken.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand einer Zeichnung beschrieben.An embodiment of the invention will be described below a drawing described.

Es zeigt:

Figur
eine perspektivische Vorderansicht eines Scheinwerfergehäuses, das in einer Ansatzposition an ein Karosserieteil verbracht wird.
It shows:
figure
a front perspective view of a headlamp housing, which is spent in a necking position on a body part.

In der Figur ist eine Leuchteinheit 1 dargestellt, die als ein Scheinwerfer für Kraftfahrzeuge ausgebildet ist. Der Scheinwerfer weist ein Gehäuse 2 und eine sich an den Rand des Gehäuses 2 anschließende optiklose Abdeckscheibe 3 auf, die zusammen eine Leuchtenkammer bilden, in der eine nicht dargestellte Lichtquelle und ein Reflektor angeordnet sind.In the figure, a lighting unit 1 is shown, as a headlight for motor vehicles is formed. Of the Headlight has a housing 2 and a to the edge of the housing 2 subsequent opticless cover 3 on, which together form a lighting chamber in which a Not shown light source and a reflector arranged are.

Zur Befestigung der Leuchteinheit 1 an einem Karosserieteil 4 des Kraftfahrzeugs sind insgesamt vier Befestigungspunkte 5, 6, 7, 8 vorgesehen. Das Karosserieteil 4 kann als Fahrzeugteil oder als ein Montageträger eines Frontends ausgebildet sein. Die Befestigungspunkte 5, 6, 7, 8 sind derart ausgebildet, dass eine Montage des Scheinwerfers ohne Ausrichtarbeiten erfolgen kann. Zu diesem Zweck sind den Befestigungspunkten 5, 6, 7, 8 jeweils Festlegelemente 9, 10, 11, 12 zugeordnet, die eine präzise Fixierung des Gehäuses 2 an dem Karosserieteil 4 ermöglichen.For fastening the lighting unit 1 to a body part 4 of the motor vehicle are a total of four attachment points 5, 6, 7, 8 provided. The body part 4 can as a vehicle part or as a mounting bracket of a Be formed front ends. The attachment points 5, 6, 7, 8 are designed such that a mounting of Headlamps can be done without alignment work. To this Purpose are the attachment points 5, 6, 7, 8 respectively Fixed items 9, 10, 11, 12 associated with a precise Allow fixation of the housing 2 on the body part 4.

An einem ersten Befestigungspunkt 5 weist das Gehäuse 2 ein abragende Lasche 13 auf, an der zum einen ein Befestigungselement 14 und zum anderen das Festlegelement 9 ausgebildet sind. Das Befestigungselement 14 ist als eine rechteckförmige Aufnahme ausgebildet, die mit einem an dem Karosserieteil 4 angeordneten Rastelement 15 zusammenwirkt. Das Festlegelement 9 ist als kreisrunde Bohrung ausgebildet, die mit einem an dem Karosserieteil 4 angeformten Stift 9' als Festlegelement zusammenwirkt. Der Durchmesser der Bohrung 9 ist auf den Außendurchmesser des Stiftes 9' abgestimmt, so dass nach dem Anlegen der Lasche 13 an das Karosserieteil 4 eine Verschiebung der Lasche 13 lediglich entgegen der Ansatzbewegungsrichtung möglich ist. Die Ansatzbewegungsrichtung erfolgt zumindest nach dem Anlegen der Bohrung 9 an dem freien Ende des Stiftes 9' entlang eines mit der Achse des Stiftes 9' korrespondierenden Führungsweges. Die Ansatzposition der Lasche 13 ist erreicht, sobald die Lasche 13 an einer Grundfläche 16 des Karosserieteils 4 zur Anlage kommt. Während der Ansatzbewegung wird selbsttätig das Rastelement 15 des Karosserieteils 4 an die Aufnahme 14 des Gehäuses 2 geführt, so dass bei Erreichen der Ansatzposition eine Rast- oder Clipsverbindung zwischen der Lasche 13 und dem Karosserieteil 4 vorliegt. At a first attachment point 5, the housing 2 a projecting tab 13, on the one hand a fastener 14 and on the other hand, the fixed element 9 is formed are. The fastener 14 is as a rectangular receptacle formed with one on the Body part 4 arranged locking element 15 cooperates. The fixed element 9 is a circular hole formed, which integrally formed with a on the body part 4 Pin 9 'cooperates as a fixed element. Of the Diameter of the bore 9 is on the outer diameter of the Pin 9 'matched, so after applying the tab 13 to the body part 4, a shift of the flap thirteenth only possible against the approach movement direction is. The approach movement direction is at least after the application of the bore 9 at the free end of the pin 9 'along a with the axis of the pin 9' corresponding Guideway. The attachment position of the tab 13 is reached as soon as the tab 13 on a base 16 of the body part 4 comes to rest. During the neck movement is automatically the locking element 15 of the body part 4 guided to the receptacle 14 of the housing 2, so that when reaching the neck position a catch or Clip connection between the tab 13 and the body part 4 present.

Aufgrund der geometrischen Anordnung der Festlegelemente 9, 9' ist der erste Befestigungspunkt 5 als ein Fixpunkt ausgebildet, da nach dem Erreichen der Ansatzposition die Lasche 13 unverschieblich angeordnet ist. Sie kann lediglich durch Lösen der Rastverbindung entgegen der Ansatzbewegungsrichtung zur Demontage bewegt werden. Zur Montage wird die Relativposition zwischen dem Gehäuse 2 einerseits und dem Karosserieteil 4 andererseits durch die Anordnung der Festlegelemente 9, 9' bestimmt. In der Ansatzposition ist die Lasche 13 und somit das Gehäuse 2 eindeutig fixiert, ohne dass sich eine Einstellung bzw. Justierung anschließen müsste.Due to the geometric arrangement of the fixed elements 9, 9 'is the first attachment point 5 as a fixed point formed, since after reaching the neck position the Tab 13 is arranged immovable. She can only by loosening the locking connection against the Approach movement direction to be moved for disassembly. to Montage is the relative position between the housing. 2 on the one hand and the body part 4 on the other hand by the Arrangement of the fixed elements 9, 9 'determined. In the Starting position is the tab 13 and thus the housing 2 clearly fixed, without a setting or Would have to connect adjustment.

Da der erste Befestigungspunkt 5 (Fixpunkt) die höchste Fertigungsgenauigkeit der Bauteile 2, 4 erfordert, sollte der Fixpunkt 5 vorzugsweise in der Nähe von Vorzugskanten angeordnet sein, die mit einer relativ geringen Toleranz herstellbar sind. Im vorliegenden Ausführungsbeispiel ist der Fixpunkt 5 einer einer nicht dargestellten Motorhaube zugewandten Wand des Karosserieteils 4 zugeordnet. Alternativ kann der Fixpunkt 5 auch an einer einem nicht dargestellten Kotflügel zugewandten Vorzugskante angeordnet sein.Since the first attachment point 5 (fixed point), the highest Manufacturing accuracy of the components 2, 4 requires, should the fixed point 5 preferably in the vicinity of preferred edges be arranged with a relatively low tolerance can be produced. In the present embodiment is the fixed point 5 of an engine hood, not shown facing wall of the body part 4 assigned. alternative can the fixed point 5 also at a not shown Fender facing preferred edge arranged be.

Das Rastelelement 15 des ersten Befestigungspunktes 5 wird durch zwei um eine Vertikalachse federnd ausgebildete Rasthaken gebildet, die in der Ansatzposition und nach vorliegendem Ausführungsbeispiel auch in der Montageposition vertikale Kanten 18 der Aufnahme 14 hintergreifen.The Rastelelement 15 of the first attachment point 5 is by two resiliently formed about a vertical axis Latch hooks formed in the neck position and after present embodiment also in the mounting position vertical edges 18 of the receptacle 14 engage behind.

Ein zweiter Befestigungspunkt 6 ist beabstandet zu dem ersten Befestigungspunkt 5 ausgebildet und weist im Unterschied zu dem ersten Befestigungspunkt 5 Mittel zum Toleranzausgleich 19 auf. Das Mittel zum Toleranzausgleich 19 wird gebildet durch ein Langloch 20, das sich in horizontaler Richtung an einer zweiten Lasche 21 erstreckt. Das Langloch 20 dient zum einen als ein Festlegelement 10, das mit einem rechteckförmigen Stift 10' des Karosserieteils 4 zusammenwirkt. Zum anderen dient das Langloch 20 als eine Aufnahme (Befestigungselement), die mit einem Rastelement 22 des Karosserieteils 4 zusammenwirkt. Das Festlegelement 10 ist somit in dem Befestigungselement 20 integriert. Die Breite b des Langlochs 20 ist auf die Vertikalausdehnung des Stiftes 10' abgestimmt, so dass nach dem Ansetzen der zweiten Lasche 21 auf das Rastelement 22 bzw. auf den Stift 10' Toleranzunterschiede des Gehäuses 2 bzw. des Karosserieteils 4 in Längsrichtung des Langloches 20 berücksichtigt werden können. Die Befestigung der zweiten Lasche 21 erfolgt gleichwirkend zu der Befestigung der ersten Lasche 13. Im Unterschied zu dem ersten Befestigungspunkt 5 sind Rasthaken 23 des Rastelementes 22 flexibel um eine horizontale Achse angeordnet, so dass sie in der Ansatzposition bzw. Montageposition lange horizontale Kanten 24 des Langlochs 20 hintergreifen.A second attachment point 6 is spaced from the formed first fastening point 5 and has in difference to the first attachment point 5 means for tolerance compensation 19 on. The means for tolerance compensation 19 is formed by a slot 20, which in horizontal Direction extends to a second tab 21. The Long hole 20 serves as a fixed element 10, the with a rectangular pin 10 'of the body part. 4 interacts. On the other hand, the slot 20 serves as a Recording (fastener), with a locking element 22 of the body part 4 cooperates. The fixed element 10 is thus integrated in the fastening element 20. The Width b of the slot 20 is on the vertical extent of the pin 10 'tuned, so that after the preparation of the second tab 21 on the locking element 22 and on the Pin 10 'Tolerance differences of the housing 2 and the body part 4 taken into account in the longitudinal direction of the elongated hole 20 can be. The attachment of the second tab 21 is the same effect as the attachment of the first tab 13. Unlike the first attachment point 5 are latching hooks 23 of the locking element 22 flexible to one horizontal axis arranged so that they are in the neck position or mounting position long horizontal edges 24 behind the slot 20.

An einem unteren Rand des Gehäuses 2 ragen eine dritte Lasche 25 und eine vierte Lasche 26 ab, die gleichförmig mit einer rechteckförmigen Aufnahme 27 als Befestigungselement ausgebildet sind. Die Aufnahme 27 wirkt jeweils mit einem Rastelement 28 des Karosserieteils 4 zusammen. Die Rastelemente 28 weisen jeweils flexibel um eine vertikale Achse angeordnete zwei Rasthaken 29 auf. Nach Anlage der Laschen 25, 26 an der Grundfläche 16 des Karosserieteils 4 hintergreifen die Rasthaken 29 vertikale Kanten 30 der Aufnahme 27. Die Laschen 25, 26 bilden zusammen mit den Rastelementen 28 den vierten und fünften Befestigungspunkt 7, 8, wobei keine zusätzlichen Festlegelemente vorgesehen sind. Die vertikale Kante 30 und eine horizontale Kante 31 der Aufnahmen 27 weisen eine solche Länge auf, dass Toleranzunterschiede zwischen dem Gehäuse 2 und dem Karosserieteil 4 berücksichtigt werden.At a lower edge of the housing 2 protrude a third tab 25 and a fourth tab 26 from the uniform with a rectangular receptacle 27 as a fastener are formed. The recording 27 each acts with a Locking element 28 of the body part 4 together. The locking elements 28 each have a flexible about a vertical axis arranged two locking hooks 29 on. After installation of the tabs 25, 26 on the base 16 of the body part. 4 engage behind the latch hooks 29 vertical edges 30 of Recording 27. The tabs 25, 26 form together with the Locking elements 28 the fourth and fifth attachment point 7, 8, with no additional fixed elements provided are. The vertical edge 30 and a horizontal edge 31 the receptacles 27 have such a length that tolerance differences between the housing 2 and the body part 4 are taken into account.

Somit weisen lediglich die Befestigungspunkte 6, 7, 8 Mittel zum Toleranzausgleich 19 auf, wobei der zweite Befestigungspunkt 6 einen Toleranzausgleich in horizontaler Richtung und die beiden Befestigungspunkte 7 und 8 einen Toleranzausgleich sowohl in horizontaler als auch in vertikaler Richtung ermöglichen.Thus, only the attachment points 6, 7, 8 means for tolerance compensation 19, wherein the second attachment point 6 a tolerance compensation in horizontal Direction and the two attachment points 7 and 8 a Tolerance compensation in both horizontal and vertical Enable direction.

Die Laschen 13, 21, 25, und 26 erstrecken sich im wesentlichen in einer gemeinsamen Ebene. Sie sind verteilt entlang eines Randes des Gehäuses 2 angeordnet.The tabs 13, 21, 25, and 26 extend substantially in a common plane. They are distributed along an edge of the housing 2 is arranged.

Nach einer alternativen Ausführungsform der Leuchteinheit 1 können auch lediglich drei Befestigungspunkte 5, 6, 7 vorgesehen sein unter Weglassung des vierten Befestigungspunktes 8.According to an alternative embodiment of the lighting unit 1 can also only three attachment points 5, 6, 7 be provided with omission of the fourth attachment point 8th.

Zur Montage der Leuchteinheit 1 an dem Karosserieteil 4 werden die Laschen 13, 21, 25 und 26 unter Zusammenwirken der Festlegelemente 9, 9', 10, 10' entlang eines durch die Achsen der Stifte 9', 10' vorgegebenen Führungsweges an die Grundfläche 16 des Karosserieteils 4 geführt, bis sie in der Ansatzposition gegen die Grundfläche 16 anstoßen. Während dieser Ansatzbewegung erfolgt ein Verrasten der den jeweiligen Laschen 13, 21, 25, 26 zugeordneten Befestigungselementen 14, 15, 22, 27, 28. Mit Erreichen der Ansatzposition der Laschen 13, 21, 25 und 26 haben diese auch die Befestigungsposition erreicht, so dass die Montage beendet ist.For mounting the lighting unit 1 to the body part. 4 the tabs 13, 21, 25 and 26 will cooperate the fixed elements 9, 9 ', 10, 10' along a through the Axes of the pins 9 ', 10' predetermined guide path the base 16 of the body part 4 is guided until it abut against the base 16 in the attachment position. During this approach movement is a locking of the the respective tabs 13, 21, 25, 26 associated fasteners 14, 15, 22, 27, 28. Upon reaching the neck position the tabs 13, 21, 25 and 26 have this also reached the attachment position, so that the assembly finished.

Alternativ zu der oben beschriebenen Rastverbindung kann ein Formschluss auch durch beispielsweise Nieten hergestellt werden.Alternatively to the locking connection described above a positive connection also produced by, for example, rivets become.

Nach einer weiteren alternativen Ausführungsform können die Laschen 13, 21, 25, 26 auch durch Kraftschluss mit dem Karosserieteil 4 verbunden sein. Beispielsweise kann die Verbindung durch eine Schrauben-Mutter-Verbindung hergestellt sein. Bei dieser Ausführungsform erfolgt die Montage in zwei Schritten. In einem ersten Schritt erfolgt das Verbringen der Laschen in eine Ansatzposition, in der - wie oben beschrieben - die Festlegelemente 9, 9' an dem Fixpunkt 5 passgenau gehalten sind. In einem zweiten Schritt erfolgt dann die Befestigung der Laschen durch eine Schraubverbindung.According to another alternative embodiment can the tabs 13, 21, 25, 26 also by adhesion to the Body part 4 to be connected. For example, the Connection made by a screw-nut connection be. In this embodiment, the assembly takes place in two steps. In a first step, this is done Moving the tabs in a neck position, in which - as described above - the fixed elements 9, 9 'on the Fixed point 5 are kept accurate. In a second Step then carried the attachment of the tabs by a Screw connection.

Claims (10)

  1. Light unit (1) for vehicles having a shell (2) connectable to a vehicle body portion at three spaced-apart mounting points wherein a first mounting point (5) is provided in form of a fixed point with a locator element (9, 9') such that the shell (2) is not displaceable from a first-engagement position or is just displaceable opposite to the direction of a first-engagement movement relative to said body portion (4) and wherein a second mounting point (6) permits to achieve tolerance compensation in just one direction, characterized by the fact that the third mounting point (7) includes means for tolerance compensation (19) along two axes which are perpendicular to each other.
  2. Light unit according to Claim 1, characterized by the fact that at least locator elements (9, 9', 10, 10') of the shell (2) on the one hand and of the body portion (4) on the other hand are arranged to protrude from said shell (2) an/or said body portion (4) in such a way that the shell (2) may be brought into its first-engagement position along a guideway determined by the shape of said locator element (9, 9', 10, 10').
  3. Light unit according to Claim 1 or 2, characterized by the fact that the locator element (9, 9') allocated to said mounting point (5) is disposed near projecting edges of the shell (2) and/or the body portion (4).
  4. Light unit according to any of the preceding Claims 1 to 3, characterized by the fact that the locator element (9, 9') is disposed adjacent to a fixing element (14, 15, 20, 22).
  5. Light unit according to any of the preceding Claims 1 to 4, characterized by the fact that the locator element (9') of said body portion (4) is provided in form of a pin adapted to coact with the mating locator element (9) of the shell (2) which is provided in form of a bore.
  6. Light unit according to any of the preceding Claims 1 to 5, characterized by the fact that said locator element (10) is integral with the fixing element (20).
  7. Light unit according to any of the preceding Claims 1 to 6, characterized by the fact that the locator element allocated to a mounting point (6) and the fixing element of the shell (2) allocated to that same mounting point are provided in form of one single slot (20) for the fixing element (22) and/or the locator element (10') of said body portion (4) to engage in and to thereby provide a positive connection.
  8. Light unit according to any of the preceding Claims 1 to 7, characterized by the fact that the shell (2) is fixable to said body portion (4) at the respective mounting points (5, 6, 7, 8) by snap locking.
  9. Method for attaching a light unit (1) to a body portion (4) of a vehicle in which a shell (2) of the light unit (1) is connected to fixing elements (14, 15, 20, 22, 27, 28) of said body portion (4) at predetermined mounting points (5, 6, 7, 8), characterized by the fact that by coupling a locator element (9) of the shell (2) to a body portion (4) in a first mounting point (5) said shell (2) is brought into a first-engagement position from which the locator element (9) is not shiftable and
    that simultaneously said shell (2) is connected to said body portion (4) by bringing fixing elements (20, 22, 27, 28) into a position for fixing to the body portion (4),
    wherein for tolerance compensation the second mounting point is adjustable in horizontal and the third mounting point (7) in both horizontal and vertical direction.
  10. Method according to Claim 9, characterized by the fact that said shell (2) is brought into its first-engagement position by a movement along a path determined by the shape of said locator elements (9, 9').
EP03013147A 2002-07-27 2003-06-11 Lighting unit and method for mounting a lighting unit Expired - Lifetime EP1384622B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10234224 2002-07-27
DE10234224A DE10234224A1 (en) 2002-07-27 2002-07-27 Lighting unit and method for fastening a lighting unit

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EP1384622A1 EP1384622A1 (en) 2004-01-28
EP1384622B1 true EP1384622B1 (en) 2005-02-16

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DE (2) DE10234224A1 (en)
ES (1) ES2236646T3 (en)

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DE10234224A1 (en) 2004-02-05
EP1384622A1 (en) 2004-01-28
ES2236646T3 (en) 2005-07-16
DE50300319D1 (en) 2005-03-24

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